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[DOC File]The Roaring Twenties
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Developed during the late 1920s and early 1930s by Edwin H. Armstrong, an inventor and a major in the U.S. Army Signal Corps during World War I, this new method of modulation offered heretofore unattainable reduction of the effect of ignition and other noises encountered in radios used in vehicles.
1920s radio shows

1920's Radio: US History for Kids ***
In particular, they bought radios. The first commercial radio station in the U.S., Pittsburgh’s KDKA, hit the airwaves in 1920; three years later there were more than 500 stations in the nation. By the end of the 1920s, there were radios in more than 12 million households.
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[DOC File]Wallingford Public Schools
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Why was the 1920s called a consumer revolution in America? What does it mean to “buy on margin”? Explain how the prosperity of the 1920s was boosted by scientific advances, inventive technologies and the free enterprise system.
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[DOC File]World War II Radio Communications
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By the end of the 1920s, about 15 percent of all retail sales were on installment plans. This included about three out of every four radios and six out of every ten cars. Buying on credit was so easy that many Americans began to think the good times would go on forever.
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[DOC File]Chapter 20; The 1920’s
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a. stricter social and moral standards for women than for men in the 1920s. b. lower wages women earned compared to those earned by men in the 1920s. c. amount of work that women did both at home and outside the house in the 1920s. d. unfair treatment of women in the workplace in the 1920s. ____ 26. Charles Lindbergh was famous as a(n) a ...
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[DOC File]Chapter 28 – Popular Culture in the 1920s
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What caused the rise of organized crime in the 1920s? Who felt freer to experiment with bolder styles and manners in the 1920s? Why did some states ban the teaching of evolution in schools? What did the growth of the radio and other mass media in the 1920s produce? During the 1920’s who were the main targets of the Ku Klux Klan?
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[DOCX File]Mr. Siebenthal’s Homepage - Accelerating learning for ...
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Radio broadcasts began in 1920, when KDKA in Pittsburgh, Pennsylvania reported that year’s presidential election returns. By 1929, nearly forty percent of American homes owned radios. Radio advertising created national markets for consumer products. By broadcasting jazz, radio made this new style of music both popular and respectable nationwide.
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Radios 1920s